Squashed 'lib/aihrus/' changes from 638eb9b..148c903

148c903 Coding standard
859cd71 BUGFIX Method version not static

git-subtree-dir: lib/aihrus
git-subtree-split: 148c903241604c798fe718ebd15f2fd5fd830f19
Update aihrus framework

Conflicts:
	lib/aihrus/class-aihrus-settings.php
	lib/aihrus/class-aihrus-widget.php